about de.arch
Our team are highly skilled in all forms of residential and commercial architecture and interior design.
We specialise in residential projects, including new builds, alterations & additions, specialist disability accommodation (SDA).
Lead by directors Peita De Trizio & Jessica Pile, our passion is simple; we always strive to create practical and considered spaces that truly reflect our clients, have an elegant simplicity, are timeless and unique, regardless of project size or budget.
pronounced 'de arc'
We are experienced in many types of commercial projects, including workplace & retail fitouts, lobby & common area refurbishments, end of trip facilities and more...
We love creating spaces that not only meet our clients’ needs but exceed their expectations. We enjoy working collaboratively with our clients and sharing the design process as we believe this achieves the most successful outcome. You can check us out on Houzz!
Our belief is that every project offers the opportunity to inspire, educate and excite our clients.
Whether it be a new home, renovation or internal refurbishment. This requires our highest attention at every stage but most importantly listening to and understanding the nuances of how our clients live and work. Most importantly, we love what we do!
To be able to change and improve the way a person lives or works in a space is very rewarding. We’re just as excited to see a project progress as you are, from initial butter paper hand sketches to 3D rendered images, to technical drawings to the final built form.
Our Team

Peita De Trizio
- DIRECTOR | ARCHITECT ·

Jessica Pile
- DIRECTOR | ARCHITECT ·

Jasper Leong
- PROJECT ARCHITECT ·

Naomi Najdoski
- PROJECT ARCHITECT ·

Joshua Cousins
- GRADUATE OF ARCHITECTURE ·

James Rumanovsky
- GRADUATE OF ARCHITECTURE ·